Note: that the kernel version should be the same that was captured by kdump. To find out which kernel you are currently running, use the uname -r command.
crash 7.2.3-11.el7 Copyright (C) 2002-2017 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty"for details.
GNU gdb (GDB) 7.6 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty"for details. This GDB was configured as "x86_64-unknown-linux-gnu"...
* extend log rd task alias files mach repeat timer ascii foreach mod runq tree bpf fuser mount search union bt gdb net set vm btop help p sig vtop dev ipcs ps struct waitq dis irq pte swap whatis eval kmem ptob sym wr exit list ptov sys q
crash version: 7.2.3-11.el7 gdb version: 7.6 For help on any command above, enter "help <command>". For help on input options, enter "help input". For help on output options, enter "help output".